Home / 112,269,302.20-168,403,953.30-63,728,399.80

Finding the Fourth Proportional to 112,269,302.20, 168,403,953.30 and 63,728,399.80

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Solution

The fourth proportional to 112,269,302.20, 168,403,953.30 and 63,728,399.80 is: 95,592,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269,302.20 : 168,403,953.30 = 63,728,399.80 : x
  2. Step 2: Convert to fraction form
    112,269,302.20/168,403,953.30 = 63,728,399.80/x
  3. Step 3: Cross multiply
    112,269,302.20x = 168,403,953.30 × 63,728,399.80
  4. Step 4: Simplify right side
    112,269,302.20x = 10,732,114,463,802,930
  5. Step 5: Solve for x
    x = 10,732,114,463,802,930/112,269,302.20
  6. Step 6: Final answer
    x = 95,592,599.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.